Could you please describe your application: gc?#pP 1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... G7CG~:3h+ 2, is the fiber single mode or multimode? what is the NA, core dia,... l3IWoa&sh 1Zi,b Generally, fiber coupling efficiency of 40%~90% is reasonable. FEJ~k1z |eWjYGwJa Again let us know your specific bug. A|@_}h"WG +Lnsr\BA MANG2004 k{<,\J